[gtk+] widget: Update Pango context on state change

[Benjamin Otte <otte src gnome org>]

commit 4259a27cf50a2a09e498e9b6827b60f441449da0
Author: Benjamin Otte <otte redhat com>
Date:   Mon Dec 5 18:26:17 2011 +0100

    widget: Update Pango context on state change
    
    The layout depends on the state flags, so it must be updated when they
    change.

 gtk/gtkwidget.c |   10 ++++++++++
 1 files changed, 10 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtkwidget.c b/gtk/gtkwidget.c
index 0babbbb..daa5c29 100644
--- a/gtk/gtkwidget.c
+++ b/gtk/gtkwidget.c
@@ -623,6 +623,8 @@ static void             gtk_widget_real_get_width_for_height    (GtkWidget
                                                                  gint              height,
                                                                  gint             *minimum_width,
                                                                  gint             *natural_width);
+static void             gtk_widget_real_state_flags_changed     (GtkWidget        *widget,
+                                                                 GtkStateFlags     old_state);
 static const GtkWidgetAuxInfo* _gtk_widget_get_aux_info_or_defaults (GtkWidget *widget);
 static GtkWidgetAuxInfo* gtk_widget_get_aux_info                (GtkWidget        *widget,
                                                                  gboolean          create);
@@ -881,6 +883,7 @@ gtk_widget_class_init (GtkWidgetClass *klass)
   klass->get_preferred_width_for_height = gtk_widget_real_get_width_for_height;
   klass->get_preferred_height_for_width = gtk_widget_real_get_height_for_width;
   klass->state_changed = NULL;
+  klass->state_flags_changed = gtk_widget_real_state_flags_changed;
   klass->parent_set = NULL;
   klass->hierarchy_changed = NULL;
   klass->style_set = gtk_widget_real_style_set;
@@ -6517,6 +6520,13 @@ gtk_widget_real_query_tooltip (GtkWidget  *widget,
 }
 
 static void
+gtk_widget_real_state_flags_changed (GtkWidget     *widget,
+                                     GtkStateFlags  old_state)
+{
+  gtk_widget_update_pango_context (widget);
+}
+
+static void
 gtk_widget_real_style_updated (GtkWidget *widget)
 {
   GtkWidgetPrivate *priv = widget->priv;